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  1. 20 maj 2024 · The hypoglossal nerve (CN XII) is exclusively a motor nerve carrying general somatic efferent fibers (GSE). It innervates all intrinsic and almost all extrinsic muscles of the tongue, as well as one suprahyoid muscle, the geniohyoid muscle.

  2. 10 wrz 2024 · Damage to the hypoglossal nerve is a relatively uncommon cranial nerve palsy. Possible causes include head & neck malignancy and penetrating traumatic injuries. If the symptoms are accompanied by acute pain, a possible cause may be dissection of the internal carotid artery.

  3. 7 lis 2022 · The hypoglossal nerve can be damaged at the hypoglossal nucleus (nuclear), above the hypoglossal nucleus (supranuclear), or interrupted at the motor axons (infranuclear). Such damage causes paralysis, fasciculations (as noted by a scalloped appearance of the tongue), and eventual atrophy of the tongue muscles.

  4. 14 sie 2024 · Hypoglossal nerve damage symptoms. If you have hypoglossal nerve damage, your tongue weakens on the side that’s affected. It will eventually waste away (atrophy), leading to paralysis of your tongue. Because of this, you may have trouble swallowing, chewing and/or speaking.

  5. Signs Something Could Be Wrong With Your Hypoglossal Nerve. If one of your hypoglossal nerves isn't working well, you may notice that your tongue deviates toward one side when...

  6. 12 kwi 2019 · Cranial nerve XII is the hypoglossal nerve, a somatic motor nerve so named for its literal translation of “under” and “tongue.” In this article, we discuss the structure and function of the hypoglossal nerve, before describing the clinical relevance of this nerve.

  7. 21 paź 2024 · Associated Conditions. Nerve Damage Symptoms. Diagnosis and Treatment. The function of the hypoglossal nerve is to enable your tongue to move. It's the 12th cranial nerve, and it helps you speak, swallow, and move food and liquid around in your mouth. Damage to this nerve can affect speech, chewing, and swallowing.

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